In modern society, most people spend a significant amount of time indoors. Especially for those working in offices, they often stay under artificial lighting for long periods and do not receive enough natural light. However, natural lighting is an important factor in enhancing our quality of life, and appropriately utilizing it in daily life can greatly improve productivity, as various research findings suggest. According to a study by the University of Michigan, employees who receive sufficient natural light see their work efficiency increase by more than 15%. This is because natural light plays a significant role in regulating circadian factors (biological rhythms). Natural light adjusts melatonin levels, resets the body's clock, and enhances mood, contributing to increased concentration. So, what are the ways to utilize natural lighting to boost productivity? First, move your desk closer to the window. If possible, position it to face the window to receive as much natural light as possible. Second, adjust the overall office lighting to a color temperature similar to natural light. The color temperature of natural light ranges from 5000K to 6500K, and using artificial lighting that mimics this can create an environment similar to natural light. Additionally, regularly looking outside through the window is another method. Observing natural scenery, even for a short time, reduces stress and clears the mind, enhancing concentration. Placing plants by the window is also a good idea. Plants not only purify indoor air but also improve mood and strengthen the connection with nature. Finally, it is recommended to enjoy outdoor walks during break times. Taking in the fresh air, even briefly during lunch or short breaks, can invigorate you both mentally and physically. Walking outdoors provides an opportunity to absorb plenty of natural light and has a mood-enhancing effect. The 'Daily Certification' app helps you record small daily changes and continue practices that enhance productivity through the use of natural light. From today, try to make the most of natural lighting in your office. This is not just a change in space, but an important opportunity to improve your work performance and quality of life.